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Setler79 [48]
4 years ago
14

A medium-sized apple has 70 calories. this is 10 calories less than 1/4 of the calories in an old westie chocalate bar. we need

to find out how many calories are in chocalate bars?
Mathematics
1 answer:
Anna [14]4 years ago
3 0
70 + 10 = 1/4 of a chocolate
80 x 4 = a chocolate.
320 calories in a chocolate.
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4 years ago
A major hurricane is a hurricane with wind speeds of 111 miles per hour or greater. During the 20th century the mean number of t
Bas_tet [7]

Answer:

a) 0.3293 = 32.93% probability that the number of major hurricane to strike U.S mainland in any any give year is exactly one.

b) 0.878 = 87.8% probability that the number of major hurricane to strike U.S mainland in any any give year is at most one.

c) 0.122 = 12.2% probability that the number of major hurricane to strike U.S mainland in any any give year is more than one.

Step-by-step explanation:

We have the mean during an interval, which means that the Poisson distribution is used to solve this question.

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

During the 20th century the mean number of the major hurricanes to strike U.S mainland per year was 0.6.

This means that \mu = 0.6

Find the probability that the number of major hurricane to strike U.S mainland in any any give year is:

a) Exactly one

This is P(X = 1). So

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 1) = \frac{e^{-0.6}*0.6^{1}}{(1)!} = 0.3293

0.3293 = 32.93% probability that the number of major hurricane to strike U.S mainland in any any give year is exactly one.

b) At most one

This is:

P(X \leq 1) = P(X = 0) + P(X = 1)

Then

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-0.6}*0.6^{0}}{(0)!} = 0.5488

P(X = 1) = \frac{e^{-0.6}*0.6^{1}}{(1)!} = 0.3293

P(X \leq 1) = P(X = 0) + P(X = 1) = 0.5488 + 0.3292 = 0.878

0.878 = 87.8% probability that the number of major hurricane to strike U.S mainland in any any give year is at most one.

c) More than one

This is:

P(X > 1) = 1 - P(X \leq 1) = 1 - 0.878 = 0.122

0.122 = 12.2% probability that the number of major hurricane to strike U.S mainland in any any give year is more than one.

6 0
3 years ago
1. A grocery store just received a shipment of 200 dozen eggs. If 12 eggs = 1 dozen, how many eggs did
melisa1 [442]

Answer:

2400 eggs

Step-by-step explanation:

12*200=2400

4 0
3 years ago
Read 2 more answers
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